Current Conditions: ALTON/ST LOUIS R

Mostly Cloudy

84.2 F

Last Updated on Jul 18 2025, 05:50 PM CDT

Humidity:	%
Wind Speed:	E 6.9 mph
Barometer	in
Dewpoint:	F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Current conditions at:

ALTON/ST LOUIS R (KALN)

Lat: 38.9 Lon: 90.05


Active Alerts	Storm Reports	Obs Monitoring

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Observation History for ALTON/ST LOUIS R

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)	Rmks
05:50 PM CDT	E 6.9	10.00	Mostly Cloudy	--	84.2		%	NA	NA		M
04:50 PM CDT	E 6.9	10.00	Mostly Cloudy	--	84.2		%	NA	NA		M
03:50 PM CDT	E 4.7	10.00	Cloudy	--	82.4		%	NA	NA		M
02:50 PM CDT	E 4.7	10.00	Mostly Cloudy	--	82.4		%	NA	NA		M
01:50 PM CDT	6.9	10.00	Mostly Cloudy	--	80.6		%	NA	NA		M
12:50 PM CDT	5.8	10.00	Mostly Cloudy	--	80.6		%	NA	NA		M
11:45 AM CDT	5.8	10.00	Cloudy	--	77.0		%	NA	NA		M
10:50 AM CDT	5.7	5.00	Fog/Mist	--	75.2		%	NA	NA		M
10:15 AM CDT	NE 5.8	2.50	Fog/Mist	--	71.6		%	NA	NA		M
09:50 AM CDT	6.9	1.50	Fog/Mist	--	71.6		%	NA	NA		M
08:20 AM CDT	NE 4.6	NULL	Fog/Mist	--	71.6		%	NA	NA		M
07:50 AM CDT	6.9	2.50	Fog/Mist	--	71.6		%	NA	NA		M
07:05 AM CDT	4.6	2.00	Fog/Mist	--	71.6		%	NA	NA		M
06:50 AM CDT	4.7	1.00	Fog/Mist	--	73.4		%	NA	NA		M
09:50 PM CDT	3.4	10.00	Clear	--	75.2		%	NA	NA		M
08:50 PM CDT	4.7	10.00	Mostly Cloudy	--	75.2		%	NA	NA		M
07:50 PM CDT	4.7	7.00	Light Rain	--	78.8		%	NA	NA		M
06:50 PM CDT	4.7	10.00	Cloudy	--	80.6		%	NA	NA		M
05:50 PM CDT	0.0	10.00	Cloudy	--	80.6		%	NA	NA		M

Regional Weather Observation

	ALTON/ST LOUIS R (KALN) Mostly Cloudy 84.2 F
	ST CHARLES (KSET) Clear 84.9 F
	ST LOUIS (KSTL) Mostly Cloudy 87.1 F

	LITCHFIELD MUNI (K3LF) Clear 82.6 F
	JACKSONVILLE (KIJX) Mostly Cloudy 81.5 F
	ST LOUIS/SPIRIT (KSUS) Mostly Clear 84.9 F

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